42211239 has 16 divisors (see below), whose sum is σ = 64508928. Its totient is φ = 24050592.

The previous prime is 42211219. The next prime is 42211259. The reversal of 42211239 is 93211224.

It is an interprime number because it is at equal distance from previous prime (42211219) and next prime (42211259).

It is not a de Polignac number, because 42211239 - 2⁷ = 42211111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42211219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4969 + ... + 10445.

It is an arithmetic number, because the mean of its divisors is an integer number (4031808).

Almost surely, 2^42211239 is an apocalyptic number.

42211239 is a deficient number, since it is larger than the sum of its proper divisors (22297689).

42211239 is a wasteful number, since it uses less digits than its factorization.

42211239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5854.

The product of its digits is 864, while the sum is 24.

The square root of 42211239 is about 6497.0177004530. The cubic root of 42211239 is about 348.1844460862.

It can be divided in two parts, 4221 and 1239, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 42211239 in words is "forty-two million, two hundred eleven thousand, two hundred thirty-nine".